The secret message to one of your colleague or friend and don’t want anyone else to know what you are communicating with others , you can easily make an invisible ink at home and pass on your message to the desired person.
It is really easy to make invisible ink by using simple household items at home and create the ink solution for your purpose.
Things Needed:
Paper
Heat source
Swab
Baking Soda
Measuring Cup
All the persons who are involved in doing the secrets needs to do is to heat up the paper on which the other will have had written him a message with the invisible ink –using a stove top of light bulb, or brush the surface of the paper with a simple iodine mixture to reveal the message.